CN202815187U - A simulative light source device used for attenuation test of a solar energy battery - Google Patents
A simulative light source device used for attenuation test of a solar energy battery Download PDFInfo
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- CN202815187U CN202815187U CN 201220147019 CN201220147019U CN202815187U CN 202815187 U CN202815187 U CN 202815187U CN 201220147019 CN201220147019 CN 201220147019 CN 201220147019 U CN201220147019 U CN 201220147019U CN 202815187 U CN202815187 U CN 202815187U
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Abstract
Provided is a simulative light source device used for attenuation test of a solar energy battery. A motor installing seat is fixed on a rack connected with a fixed plate and a transmission shaft seat is connected with an upper end cover. A transmission shaft is connected with a shaft coupler connected with a motor. The motor installing seat is connected with the motor and the transmission shaft seat which is fixedly connected with a single-row radial-thrust ball bearing. The transmission shaft is connected with a separating sleeve, a locking gasket, and a rotating disc. A locking screw nut is connected with the transmission shaft and the shaft coupler. The rack is covered with a reinforced glass cover. A condenser pipe surrounds over the rotating disc and is fixed on the rack. A nitrogen gas intake pipe is connected with the fixed plate. A dysprosium lamp installing rack is connected with the rack. A connection installing seat is connected with the rotating disc and the transmission shaft. The advantages of the simulative light source device are that light intensity can be adjusted by increasing the number of lamps and regulating the distance between the lamps and a table surface, that the design of a disc achieves rotation under different speeds in order to guarantee same radiation condition of battery sheets on the table surface, and that desiccant can be applied in order to eliminate influence of moisture.
Description
Technical field
The utility model relates to a kind of simulation light source device for solar battery attenuation test, belongs to the photovoltaic technology field.
Background technology
The illumination meeting constantly decays battery performance, the last value of reaching capacity: illumination or electric current inject the boron and the oxygen that cause silicon chip and form boron oxygen complex, thereby minority carrier life time is reduced, cause that cell conversion rate descends, but annealed processing, minority carrier life time can be resumed again, and its possible reaction is Bs+2Oi → BsO2iBsO2i → Bs+2Oi;
Cell piece is carried out previous illumination decay, and the decay of output power of photovoltaic module can be divided into two stages:
First stage can be called initial photo attenuation to it, and first stage is that decline by a relatively large margin occurs in initial several days of just having brought into use the output power of photovoltaic module, but tends towards stability subsequently.The main cause that causes this phenomenon to occur is that the boron oxygen complex in P type (boron-doping) crystal silicon chip has reduced minority carrier life time.
Second stage can be called it the aging decay of assembly, and the utmost point that second stage namely occurs in long-term use the slowly power descends, and the main cause of generation is relevant with the battery slow-decay, and is also relevant with the performance degradation of encapsulating material.
Why the photo attenuation phenomenon is concerned again; The photo attenuation phenomenon of the solar cell of P type (boron-doping) was found in 70 years, why in the recent period photovoltaic industry circle and research institution again this has been produced its main cause of larger concern be since the power fall of some photovoltaic modulies that photo attenuation causes head and shoulders above the receptible scope of client, this just makes module manufacturer be faced with potential risk of compensation.
Causing photovoltaic module power the early stage main cause that descends to occur has:
(1) Si wafer quality is poor, causes battery appearance initial light induced attenuation by a relatively large margin;
(2) the assembly manufacturing process is unreasonable, occur such as cell piece hiddenly split, the quality problems such as the EVA degree of crosslinking is bad, delamination, failure welding;
(3) some module manufacturer power tests are inaccurate or be intended to make a false report on the output power.
One .P type (boron-doping) crystal-silicon solar cell initial light induced attenuation mechanism:
Before more than 30 year, people's first observed such as H.Fischer and W.Pschunder are to the initial light induced attenuation phenomenon of P type (boron-doping) crystal-silicon solar cell.
Everybody is at basically identical view: illumination or electric current inject the boron and the oxygen that cause silicon chip and form boron oxygen complex, thereby minority carrier life time is reduced, and cause that battery conversion efficiency descends, but annealed processing, minority carrier life time can be resumed again, and its possible reaction is:
It is high that illumination or electric current inject the Bs+Bs+2Oi minority carrier life time) (minority carrier life time is high);
Annealing in process BsO2i minority carrier life time is low) (minority carrier life time is low);
1, because the initial light induced attenuation of photovoltaic module is initial light induced attenuation by battery causes, cell piece is carried out previous illumination, the initial light induced attenuation of battery is occurred in before the assembly manufacturing; Initial photic the declining of photovoltaic module occurs in before the assembly manufacturing, and the initial light induced attenuation of photovoltaic module is just very little, can be controlled within the measuring error fully.Simultaneously also significantly reduced the probability that hot spot appears in photovoltaic module, improved the output stability of photovoltaic module, for the user bring more benefit.
Although 2 previous illumination decay are methods that a kind of simulation light source device for solar battery attenuation test is mended the fold after the sheep is lost, before Si wafer quality was not improved, using the method was the effective measures that solve photovoltaic module initial light induced attenuation problem.
Summary of the invention
In order to overcome existing deficiency, the utility model provides a kind of simulation light source device for solar battery attenuation test.
The utility model solves its technical matters a kind of simulation light source device for solar battery attenuation test is provided, contain organic frame, fixed head, drive axle seat, upper end cover, transmission shaft, connection seat, lock washer, rotating disc, shaft coupling, motor mount, single row angular contact ball bearing, spacer, motor, set nut, tempered glass cover, condenser pipe, nitrogen draft tube and dysprosium lamp erecting frame
Frame is connected and fixed plate, and drive axle seat connects upper end cover, and motor mount is fixed on frame;
Transmission shaft connects shaft coupling; The shaft coupling connecting motor;
The motor mount connecting motor, motor mount connection for transmission axle bed,
Drive axle seat is fixedly connected with single row angular contact ball bearing;
Transmission shaft connects spacer;
Set nut connection for transmission axle and shaft coupling;
Transmission shaft connects lock washer and rotating disc,
The tempered glass cover covers on the frame;
Condenser pipe is centered around the rotating disc top, is fixed on the frame;
The nitrogen draft tube is connected and fixed plate;
Dysprosium lamp erecting frame connection frame;
The connection seat is connected with transmission shaft with rotating disc.
A kind of simulation light source device for solar battery attenuation test, comprise lamp box, simulated solar lamp, temperature sensor, irradiatometer, refrigeration cooling-water machine, cooling tube and electric-control board, simulated solar lamp, temperature sensor, irradiatometer and cooling tube are housed in lamp box, the refrigeration cooling-water machine is housed outside lamp box, the refrigeration cooling-water machine is controlled by temperature sensor, the simulated solar lamp is controlled by irradiatometer, and the intensity of illumination of simulated solar lamp is 0.5～2.0kW/m2.
A kind of attenuation test of solar battery analogy method, contain following steps:
Step 1, in test and test process controlled light intensity, light application time, environment temperature, light intensity is adjustable, realize by the quantity that increases lamp and the distance of regulating lamp and table top, the refrigeration cooling-water machine is controlled by temperature sensor, the simulated solar lamp is controlled by irradiatometer, and the intensity of illumination of simulated solar lamp is 0.5～2.0kW/m2;
Decay under step 2, the simulated assembly environment has clear glass above the cell piece;
Step 3, simultaneously logical nitrogen and control temperature, the simulation oxygen-free environment;
Step 4, startup cooling system are realized the constant temperature decay;
Step 5, with the friction speed rotary disk, guarantee that the cell piece on the table top is subject to the radiation of similarity condition;
Step 7, the electrical quantity of measuring initiating terminal and ending and hold, standard is calculated the serviceable life of cell piece;
Step 8, close the measurement starting switch, the certified products of product are screened and record;
Step 9, with the equipment involution to next time detected state.
Under the specific environment temperature, solar battery sheet is carried out the timing exposure experiments to light of decaying owing to adopted particular light intensity, as long as measure initiating terminal and the electrical quantity of the end of ending, just can accurate calculate the serviceable life of cell piece, intensity of illumination, light application time, environment temperature all can be controlled in test and test process, it has overcome the existing shortcoming of natural light irradiation, can make equipment for testing attenuation of solar cell gained test data good reproducibility, with a high credibility.
The utility model has the advantages that:
1, light intensity is adjustable, can realize by the quantity that increases lamp and the distance of regulating lamp and table top;
2, the decay under can the simulated assembly environment has white glass above the cell piece, the glass that uses with assembly is the same;
3, can lead to nitrogen and control temperature, simulation oxygen-free environment simultaneously;
4, with cooling system, can realize the constant temperature decay;
5, disk design can be rotated with friction speed, guarantees that the cell piece on the table top is subject to the radiation of similarity condition;
6, can add drying agent, remove the impact of steam;
7, the locating device of table top is applicable to the cell piece of existing 125,156 sizes.
Description of drawings
When considered in conjunction with the accompanying drawings, by the following detailed description of reference, can more completely understand better the utility model and learn easily wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, consist of a part of the present utility model, illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model, such as figure wherein:
Fig. 1 is that structure master of the present utility model looks synoptic diagram;
Fig. 2 is structure schematic side view of the present utility model;
Fig. 3 is structure schematic top plan view of the present utility model.
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment
Obviously, the many modifications and variations done based on aim of the present utility model of those skilled in the art belong to protection domain of the present utility model.
Embodiment 1: as shown in the figure,
A kind of simulation light source device for solar battery attenuation test, comprise lamp box, simulated solar lamp, temperature sensor, irradiatometer, refrigeration compressor, cooling tube and electric-control board, simulated solar lamp, temperature sensor, irradiatometer and cooling tube are housed in lamp box, refrigeration compressor is housed outside lamp box, refrigeration compressor is controlled by temperature sensor, the simulated solar lamp is controlled by irradiatometer, and the intensity of illumination of simulated solar lamp is 0.5～2.0kW/m2.
A kind of simulation light source device for solar battery attenuation test, contain organic frame 1, fixed head 2, drive axle seat 3, upper end cover 4, transmission shaft 5, connection seat 6, lock washer 7, rotating disc 8, shaft coupling 9, motor mount 10, single row angular contact ball bearing 11, spacer 12, motor 13, set nut 14, tempered glass cover 15, condenser pipe 16, nitrogen draft tube 17 and dysprosium lamp erecting frame 18
Frame 1 is connected and fixed plate 2, and drive axle seat 3 connects upper end cover 4, and motor mount 10 is fixed on frame 1;
Transmission shaft 5 connects shaft coupling 9; Shaft coupling 9 connecting motors 13;
Motor mount 10 connecting motors 13,
Drive axle seat 3 is fixedly connected with single row angular contact ball bearing 11;
Transmission shaft 5 connects spacer 12;
Set nut 14 connection for transmission axles 5 and shaft coupling 9;
Transmission shaft 5 connects lock washer 7 and rotating disc 8,
Dysprosium lamp erecting frame 18 connection frames 1;
Elevating mechanism: the crane of dysprosium lamp set nut and rack locking; Can manually control arbitrarily height, select to lock with set nut behind the suitable height.
GIGASOLAR-BZ-112 cell piece optical attenuation testing table (xenon lamp)
One, device structure:
1, light decay platform integral body is generous, and profile is graceful, and the four sides is opened wide, and takes full advantage of the function of environment heat emission cooling of constant temperature chamber, and thermal source keeps silicon temperature by the chilled water cold air diffusion of cooling coil all around after the silicon chip illumination.
2, product integral body is the bar section of stainless steel frame.
3, the upper strata is a day illuminator liftable; Lower floor is universal stage;
4, the front column has gauge tap, but switch Region control of each lamp is provided with time controller.
5, distribution of light sources is 4 rows, and xenon lamp fluorescent tube of every row guarantees all even illumination of silicon chip illumination.
6, dysprosium lamp erecting frame liftable is one-piece construction, can effectively adjust intensity and the effect of illumination.Elevating mechanism adopts new design, and range is 0-0.5 rice,
7, this equipment is provided with time controller, and the time can be set.
Two, detail specifications:
1, equipment size: 1000*960*1292mm (length and width are high);
2, effective area of irradiation: 960*960mm;
3, light decay lamp source: xenon long-arc lamp;
4, lamp source quantity: 4;
5, the adjustable height of dysprosium lamp: 0-500mm;
6, the elevating control mode of dysprosium lamp: can manually control arbitrarily height, select to lock with set nut behind the suitable height;
Three, protection system
1, integral device is owed phase/anti-phase protection;
2, earth leakage protection;
3, auto stop behind the fault alarm.
4, short-circuit protection;
5, overcurrent protection.
As mentioned above, embodiment of the present utility model is explained, but as long as not breaking away from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation also all is included within the protection domain of the present utility model.
Claims (1)
1. simulation light source device for solar battery attenuation test, it is characterized in that containing organic frame, fixed head, drive axle seat, upper end cover, transmission shaft, connection seat, lock washer, rotating disc, shaft coupling, motor mount, single row angular contact ball bearing, spacer, motor, set nut, tempered glass cover, condenser pipe, nitrogen draft tube and dysprosium lamp erecting frame
Frame is connected and fixed plate, and drive axle seat connects upper end cover, and motor mount is fixed on frame;
Transmission shaft connects shaft coupling; The shaft coupling connecting motor;
The motor mount connecting motor, motor mount connection for transmission axle bed,
Drive axle seat is fixedly connected with single row angular contact ball bearing;
Transmission shaft connects spacer;
Set nut connection for transmission axle and shaft coupling;
Transmission shaft connects lock washer and rotating disc,
The tempered glass cover covers on the frame;
Condenser pipe is centered around the rotating disc top, is fixed on the frame;
The nitrogen draft tube is connected and fixed plate;
Dysprosium lamp erecting frame connection frame;
The connection seat is connected with transmission shaft with rotating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147019 CN202815187U (en) | 2012-04-01 | 2012-04-01 | A simulative light source device used for attenuation test of a solar energy battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147019 CN202815187U (en) | 2012-04-01 | 2012-04-01 | A simulative light source device used for attenuation test of a solar energy battery |
Publications (1)
| Publication Number | Publication Date |
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| CN202815187U true CN202815187U (en) | 2013-03-20 |
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| CN 201220147019 Withdrawn - After Issue CN202815187U (en) | 2012-04-01 | 2012-04-01 | A simulative light source device used for attenuation test of a solar energy battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636758A (en) * | 2012-04-01 | 2012-08-15 | 吉阳设备（海安）有限公司 | Simulating light source device and simulating method for solar battery attenuation test |
| CN104880672A (en) * | 2015-03-26 | 2015-09-02 | 北京东方计量测试研究所 | Device for calibrating electrical characteristics of space storage battery at different acceleration states |
| CN108051684A (en) * | 2017-12-26 | 2018-05-18 | 华测检测认证集团股份有限公司 | Multitask multi-temperature section is carried out at the same time automotive material aging test equipment |
-
2012
- 2012-04-01 CN CN 201220147019 patent/CN202815187U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636758A (en) * | 2012-04-01 | 2012-08-15 | 吉阳设备（海安）有限公司 | Simulating light source device and simulating method for solar battery attenuation test |
| CN102636758B (en) * | 2012-04-01 | 2014-11-26 | 吉阳设备（海安）有限公司 | Simulating light source device and simulating method for solar battery attenuation test |
| CN104880672A (en) * | 2015-03-26 | 2015-09-02 | 北京东方计量测试研究所 | Device for calibrating electrical characteristics of space storage battery at different acceleration states |
| CN104880672B (en) * | 2015-03-26 | 2017-12-22 | 北京东方计量测试研究所 | A kind of device of aligned spaces battery electrical characteristics under different acceleration conditions |
| CN108051684A (en) * | 2017-12-26 | 2018-05-18 | 华测检测认证集团股份有限公司 | Multitask multi-temperature section is carried out at the same time automotive material aging test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |